body, html {
    width: 100%;
    height: 100%;
    background-color: #CAE7F9;
}

header {
    height: 40px;
    width: 100%;
    background-color: white;
    line-height: 40px;
    box-shadow: 0px 0px 5px 0px darkgrey;
    text-align: center;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 20;
}
header a:first-child{
    display: block;
    width: 40px;
    height: 40px;
}
header img {
    height: 17px;
    width: 10px;
    position: absolute;
    left: 15px;
    top: 12px;
}

header label {
    color: black;
    font-size: 15px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}

header .a2 {
    height: 25px;
    width: 25px;
    position: absolute;
    top: 12px;
    right: 35px;
    background-image: url("../../images/index/icons.png");
    background-size: 100px 75px;
    background-position: -50px 0px;
}

header .s {
    height: 25px;
    width: 25px;
    position: absolute;
    top: 10px;
    right: 5px;
    background-image: url("../../images/index/icons.png");
    background-size: 100px 75px;
    background-position: -25px 0px;
}

.TOTOP {
    text-align: center;
    line-height: 36px;
    background-color: rgba(0, 0, 0, .4);
    height: 40px;
    width: 40px;
    border-radius: 3px;
    position: fixed;
    z-index: 20;
    right: 10px;
    bottom: 20px;
    opacity: 0;
    transition: all 1s;
    -webkit-transition: all 1s;
}
.TOTOP img {
    width: 70%;
}
/*回到顶部END*/
#main {
    margin-top: 40px;
}
#main h2 img{
    width: 100%;
}
#main .simg img{
    width: 90%;
    margin-left: 3%;
}
#main p {
    padding: 10px 10%;
    font-size: 14px;
    color: black;
    line-height: 24px;
    text-align: justify;
    letter-spacing: 1px;
    word-break: break-all;
}
#main .center_line{
    display: block;
    width: 1px;
    height: 80px;
    border-left: 1px solid #17171B;
    margin-left: 50%;
    margin-bottom: 10px; 
}
#main .bot {
    position: relative;
    padding-top: 45px;
}
#main .bot .colume_line{
    display: block;
    position: absolute;
    left: 50%;
    top: 0;
    width: 1px;
    height: 40px;
    border-left: 1px solid #17171B;
}
#main .bot span {
    display: block;
    margin-bottom: 5px;
    text-align: center;
}
#main .bot .bottom_line {
    display: block;
    width: 50px;
    height: 1px;
    border-bottom: 1px solid lightgray;
    margin-left: calc(50% - 25px);
}
#main .bot .images img {
    width: 100%;
}
footer {
    margin-bottom: 20px;
}
footer .call {
    display: block;
    width: 90%;
    height: 35px;
    line-height: 37px;
    margin-left: 5%;
    background-image: url("../../images/VR/bg.png");
    background-size: 100% 100%;
    text-align: center;
    color: white; 
}
footer .call img {
    width: 21px;
    margin-right: 4px;
}